diff --git a/ArduCopter/ArduCopter.pde b/ArduCopter/ArduCopter.pde
index 21a9572c65..b51e0d59b3 100644
--- a/ArduCopter/ArduCopter.pde
+++ b/ArduCopter/ArduCopter.pde
@@ -1,6 +1,6 @@
 /// -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*-
 
-#define THISFIRMWARE "ArduCopter V2.0.49 Beta"
+#define THISFIRMWARE "ArduCopter V2.0.50 Beta"
 /*
 ArduCopter Version 2.0 Beta
 Authors:	Jason Short
diff --git a/ArduCopter/Parameters.h b/ArduCopter/Parameters.h
index 98d1a7325d..73c5f4cb81 100644
--- a/ArduCopter/Parameters.h
+++ b/ArduCopter/Parameters.h
@@ -17,7 +17,7 @@ public:
 	// The increment will prevent old parameters from being used incorrectly
 	// by newer code.
 	//
-	static const uint16_t k_format_version = 111;
+	static const uint16_t k_format_version = 112;
 
 	// The parameter software_type is set up solely for ground station use
 	// and identifies the software type (eg ArduPilotMega versus ArduCopterMega)